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DiKsa [7]
3 years ago
12

A nuclear family consists of

Chemistry
1 answer:
inna [77]3 years ago
3 0
A biological mother, A biological father and a child
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Select all the statements that correctly describe the chair conformation of cyclohexane. Multiple select question. The bond angl
Yuki888 [10]

All the statements except Option D is true for the chair confirmation of cyclo hexane.

<h3>Describe the Chair confirmation of Cyclohexane  ?</h3>

The flexibility of Cyclo hexane allows for formation of a confirmation ,

This confirmation has lowest energy among the confirmations that can be made for Cyclohexane.

The bond angles are near 109.50 degree,

Each carbon atom has one axial and one equatorial hydrogen atom and All hydrogen atoms on adjacent carbon atoms are staggered.

Therefore Option A , B , C are all true statements about the Chair Confirmation of Cyclohexane.

To know more about Chair Confirmation

brainly.com/question/14852324

#SPJ1

8 0
2 years ago
All people who are asked to testify in a criminal case must first be issued a subpoena by law enforcement.
BigorU [14]

Answer:

Option B

Explanation:

All people who are asked to testify in a criminal case must first be issued a subpoena by law enforcement, is a "false statement" or option B. A subpoena is a request to appear in court which is usually given out by the attorneys who are a part of the case, the law enforcement does not give out subpoenas, so this is indeed a false statement.

Hope this helps.

7 0
3 years ago
In an organism, the brain directs the body how to respond to stimuli from the environment. In a cell, this function is performed
rusak2 [61]

Answer:

The nucleus in eukaryotes and the cytoplasm in prokaryotes

Explanation:

The nucleus is the largest organ in a eukaryotic cell which is responsible for the control of the cell activities based on processing of received information and cell administration. The nucleus is therefore, known as the cell cell control center for regulating the metabolism of the cell and administers the cell and cellular information with which proteins are made

The nucleus contains nucleolus and it is the store for the chromosomes, which play an important role in genetics, related to the synthesis and replication of DNA and RNA

The functions of the nucleus are spread out through out the cytoplasm of prokaryotes.

6 0
4 years ago
Calculate the vapor pressure at 25 ?c of hexane above the solution. the vapor pressure of pure hexane at 25 ?c is 151 torr.
Studentka2010 [4]
One of the many ways in order to solve for the vapor pressure of pure components at a given temperature is through the Antoine's equation which is written below,
                                    P = 10^(A - B/C+T)
where A, B, and C are constants and T is the temperature in °C and P is the vapor pressure in mm Hg. 
For hexane,
                             A = 7.01
                             B = 1246.33
                             C = 232.988

Substituting the known values,
                            P = 10^(7.01 - 1246.33/232.988+25)
                             <em> P = 151.199 mm Hg</em>
8 0
4 years ago
Each of three identical 15.0-L gas cylinders contains 7.50 mol of gas at 295 K. Cylinder A contains Ne, cylinder B contains NO2,
FrozenT [24]

Answer:

d) All have identical pressures

Explanation:

The kinetic molecular theory explains how gas molecules behave in a container. By this theory, the gas particles behave like hard, spherical objects in a state of constant, random motion; these particles collide between them and at the walls of the container. Besides, the kinetic energy of the gas depends only on the temperature.

The pressure is the force that the particles are applying under some area, so by the theory, it depends on the number of moles (amount of particles that collides and make the force), the volume of the container and the kinetic energy, or the temperature.

Because all gases have the same number of moles and are at the same temperature and the same volume, they'll have the same pressure.

3 0
3 years ago
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